How many unique ways are there to arrange the letters in the word ERROR?

Q: An undergraduate math course gives all the usual letter grades of A, B, C, D, or F. The department…

A: An undergraduate math course gives all the usual letter grades of A, B, C, D or F.

Q: How many permutations of three items can be selected from a group of six? Use the letters A, B, C,…

A: There are total three item have to select from a group of six

Q: Suppose a mail carrier must deliver 10 different letters, one to each house on the same street. The…

A: The formula of permutation is: Given: n=10   The required arrangements is calculated as: At least…

Q: If A={a,b}, what is A times A?

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Q: Miriam's art teacher presents her with five colors of paint but instructs her to use only three of…

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Q: In how many ways can a student choose to do 7 questions out of 8 on a test?

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Q: any permutations of the letters can be made from the word COCONUT? (Don't Hand writing in solution

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Q: Find the number of the permutation of 8 different things taken 3 at a time

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Q: How many 4-digit combinations can be made from the digits 0-9?

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Q: You can answer any 19 questions from the 21 questions on an exam. In how many different ways can you…

A: Here it is given that the order is of no importance, we will use the combination rule here where we…

Q: In how many different ways can a 4-child family have 2 boys and 2 girls?

A: To determine: Ways can a 4-child family have 2 boys and 2 girls.

Q: How many different photographs are possible if four children sit in the front row and five adults…

A: The objective of this question is to find out the total number of different photographs possible…

Q: As the project manager of a project, you are in charge of a team of seven people which includes…

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Q: o How many three-letter initials can people have? o How many three-letter initials with none of the…

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Q: How many different​ 4-letter acronyms can be made if the first letter must be E, X, or P and no…

A: Following solution is provided below

Q: d the number of permutations of a rectang

A: Concept: Since total number of permutation of choosing "r" points out of "n" point is:

Q: Mr. Imperfecto, a math teacher, gives a test to a class of 17 students.  The average grade on the…

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Q: How many Licence plates of two letters followed by three digits can be made if the letters and…

A: Total no. of letter from A-Z is =26Total no. of digits from 0-9=10

Q: Give 1 example of Permutation with Combination problem with solution.

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Q: A die is rolled four times consecutively. Find the number of possible outcomes if the order of the…

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Q: Elyse is going to buy an around-the-world plane ticket. She will get to see just one city from each…

A: Given Data : Elyse can choose one one city from each continent

Q: How many different words (including nonsense words) can you make by rearranging the letters of the…

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Q: In how many ways can a student choose to do 5 questions out of 11 on a test?

A: The question is based on permutation. We need to find the number of ways a student can choose 5…

Q: How do you know when to use nPr​ and when to use nCr​ ​ in Permutations and Combinations problems?…

A: Generally, Permutation used when we have to arrange the objects and Combination is used when we have…

Q: tuncar'd

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Q: How many different​ 4-letter acronyms can be made if the first letter must be K, U, or Y and no…

A: How many different 4-letter acronyms can be made if the first letter must be K, U, or Yand no letter…

Q: Suppose a mail carrier must deliver 10 different letters, one to each house on the same street. The…

A: Firstly, calculate the total number of ways that are possible by which the mail carrier must deliver…

Q: I used the permutations formula to determine the number of ways the manager of a baseball team can…

A: Combination : Using combination set of n distinct items r number of way selected without…

Q: The average age of the students in Class A is more than 11 years old. If ten out of the eleven…

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Q: An anagram of a word is just a rearrangement of its letters. How many different anagrams of…

A: This problem is solved using permutation. The number of possible rearrangements or permutations of n…

Q: If radio station call letters must begin with either K or W and must include either two or three…

A: Let us assume that two radio stations begin with K, so the number of ways of selecting  2 letters or…

Q: A student is told to work any 8 out of 15 questions on an exam. In how   many different ways can he…

A: He will pick a group of questions. The arrangement will not matter, so we will use the combination…

Q: in how many ways can the letters MANAGEMENT be arranged?

A: Total number of ways in which a word with n distinct letters can be arranged is n!But we see that…